Building Web Applications in .NET — Peter Himschoot Blazor Revealed Building Web Applications in .NET

Blazor Revealed Building Web Applications in .NET — Peter Himschoot Blazor Revealed Building Web Applications in .NET Peter Himschoot Blazor Revealed: Building Web Applications in .NET Peter Himschoot Melle, Belgium ISBN-13 (pbk): 978-1-4842-4342-8 ISBN-13 (electronic): 978-1-4842-4343-5 https://doi.org/10.1007/978-1-4842-4343-5 Library of Congress Control Number: 2019932722 Copyright © 2019 by Peter Himschoot This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Trademarked names, logos, and images may appear in this book. 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Printed on acid-free paper Table of Contents About the Author ..................................................................................................... ix About the Technical Reviewer ................................................................................. xi Acknowledgments ................................................................................................. xiii Introduction to WebAssembly and Blazor ...............................................................xv Chapter 1: Your First Blazor Project ......................................................................... 1 Installing Blazor Prerequisites �� 1 .NET Core �� 1 Visual Studio 2017 �� 2 ASP.NET Core Blazor Language Services �� 3 Visual Studio Code �� 3 Installing the Blazor Templates for VS/Code �� 4 Generating Your Project with Visual Studio �� 5 Creating a Project with Visual Studio �� 6 Generating the Project with dotnet cli �� 7 Running the Project �� 8 Examining the Project’s Parts �� 10 The Solution �� 10 The Server �� 10 The Shared Project �� 12 The Client Blazor Project �� 13 Summary �� 17 iii TABLE OF CONtENtS Chapter 2: Data Binding .......................................................................................... 19 A Quick Look at Razor �� 19 One-Way Data Binding �� 21 One-Way Data Binding Syntax �� 21 Conditional Attributes �� 22 Event Handling and Data Binding �� 23 Event Binding Syntax �� 23 Event Arguments �� 23 Using C# Lambda Functions �� 24 Two-Way Data Binding �� 24 Two-Way Data Binding Syntax �� 24 Formatting Dates �� 26 Reporting Changes �� 26 The Pizza Place Single Page Application �� 28 Creating the PizzaPlace Project �� 29 Adding Shared Classes to Represent the Data �� 30 Building the UI to Show the Menu �� 34 Enter the Customer �� 42 Validating the Customer Information �� 45 Summary �� 52 Chapter 3: Components and Structure for Blazor Applications .............................. 53 What Is a Blazor Component? �� 53 Examining the SurveyPrompt Component �� 54 Building a Simple Alert Component with Razor �� 55 Separating View and View-Model �� 58 Building a Component Library �� 66 Creating the Component Library Project �� 67 Adding Components to the Library �� 68 Refering to the Library from Your Project �� 70 iv TABLE OF CONtENtS Refactoring

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